New dwarf plum shows white powder on leaf undersides with greenflies; new dwarf apricot has curling leaves with brown spots turning to holes on new shoots (30% affected).
White powder likely powdery mildew. Need clear photo for confirmation. Check if cosmetic or causing leaf drop.
Brown spots becoming holes on new shoots suggests bacterial spot. Keep foliage dry (bacteria spread via splash). Copper fungicide may help. Soil test for nutrient imbalances.
Resend clear plum photo. For apricot: avoid overhead watering, consider copper spray, get soil test.
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